Rear Coolant Pipe

Rear Coolant Pipe

Special tools, testers and auxiliary items required

• Hose Clip Pliers (VAS 6362)

Removing

- Drain the coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.

- Remove the turbocharger. Refer to => [ Turbocharger ] Turbocharger.

- Remove the bolts - 1 and 3 -; then push the left coolant pipe on the back of the transmission downward.






• The installation location is shown with the engine removed.

• Ignore - 2 and 4 - and - arrows -.

- Remove the bolt - arrow - on the preliminary catalytic converter strap.






- Disconnect the electrical connector - 4 - on the engine coolant temperature (ECT) sensor (G62).






- Remove the bolts - 1 - and - 2 - and remove the rear coolant pipe from the exhaust gas recirculation cooler.

- Loosen the clamp - 3 - and remove the rear coolant pipe.

Installing

Install in reverse order of removal. Note the following:

• Tightening specifications, refer to => [ Coolant Pipes Overview ] Coolant Pipes Overview.

• Replace O-ring.

• The hose connections as well as the air guide pipes and hoses must be free of oil and grease before installing.

• Secure all hose connections with hose clamps appropriate for the model, refer to the Parts Catalog.

- Clean and/or smooth the sealing surfaces of the O-rings.

- Coat the O-ring with coolant and slide it onto the coolant pipe.

- Install the left coolant pipe to the back of the transmission. Refer to => [ Coolant Pipes Overview ] Coolant Pipes Overview.

- Install the turbocharger. Refer to => [ Turbocharger ] Turbocharger.

- Fill with coolant => [ Filling ] Procedures.